Finding the Fourth Proportional to 252,332.42, 348,214.34 and 137,611.94
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Solution
The fourth proportional to 252,332.42, 348,214.34 and 137,611.94 is: 189,902.08
Step by Step Solution
- Step 1: Write the proportion equation
252,332.42 : 348,214.34 = 137,611.94 : x - Step 2: Convert to fraction form
252,332.42/348,214.34 = 137,611.94/x - Step 3: Cross multiply
252,332.42x = 348,214.34 × 137,611.94 - Step 4: Simplify right side
252,332.42x = 47,918,450,863.22 - Step 5: Solve for x
x = 47,918,450,863.22/252,332.42 - Step 6: Final answer
x = 189,902.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.